Create your calendar
No frost in sight Last frost normally in 6 days (15 May), but frost-free in the forecast.
Method
Rel. frost
Last spring frost (0°C) 15 May Normal year · 20 years of data
Frost-free season 131 days 15 May – 23 Sep
Probability that frost is over

50% = Half of years are frost-free by this date. More about frost & season →

Custom date
Note: This location has a shorter growing season. Plants marked with Fleece, Greenhouse or Season too short need extra protection or are difficult to grow here.

Vegetables

Plant Sow indoors Transplant Direct sow
Earliest Latest Growing time Earliest Latest Rel. frost Earliest Latest Rel. frost
Cauliflower
Brassica oleracea (Botrytis-gruppen)
27 Mar – 10 Apr
16 Jun
5-7 wk
15 May
21 Jul
0 wk
19 May
11 Jul
1 wk after
Broccoli
Brassica oleracea (Italica-gruppen)
3 – 17 Apr
28 Jun
4-6 wk
15 May
26 Jul
0 wk
19 May
16 Jul
1 wk after
Chili pepper
Capsicum annuum
Greenhouse
7 Mar – 4 Apr
18 Apr
8-12 wk
30 May
13 Jun
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
27 Mar – 10 Apr
11 Jun
5-7 wk
15 May
16 Jul
0 wk
15 May
6 Jul
0 wk
Garden cucumber
Cucumis sativus
30 May – 6 Jun
3-4 wk
27 Jun
6 wk after
Florence Fennel
Foeniculum vulgare
23 – 30 May
27 May
4-5 wk
27 Jun
6 wk after
3 Jul
7 wk after
Butter bean
Phaseolus lunatus
Season too short
4 – 11 Jun
3-4 wk
2 Jul
7 wk after
Onion
Allium cepa (Cepa-gruppen)
20 Feb – 20 Mar
30 Mar
8-12 wk
15 May
25 May
0 wk
5 Jun
3 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
19 May
14 Jun
1 wk after
19 May
4 Jun
1 wk after
Maize
Zea mays
Fleece
2 – 9 May
2 Jun
3-4 wk
30 May
23 Jun
2 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
25 Apr – 2 May
4 Jul
3-4 wk
23 May
25 Jul
1 wk after
5 Jun
15 Jul
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
15 May
6 Jul
0 wk
15 May
26 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
27 Mar – 10 Apr
11 Jun
5-7 wk
15 May
16 Jul
0 wk
15 May
6 Jul
0 wk
Potato
Solanum tuberosum
19 Apr – 3 May
27 May
4-6 wk
31 May
24 Jun
2 wk after
31 May
14 Jun
2 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
27 Mar – 10 Apr
21 Jun
5-7 wk
15 May
26 Jul
0 wk
19 May
16 Jul
1 wk after
Pumpkin
Cucurbita pepo
30 May – 6 Jun
17 Jun
3-4 wk
27 Jun
8 Jul
6 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
25 Apr – 2 May
10 Jun
3-4 wk
23 May
1 Jul
1 wk after
5 Jun
21 Jun
3 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
3 – 17 Apr
23 Jun
4-6 wk
15 May
21 Jul
0 wk
Lettuce
Lactuca sativa
17 – 24 Apr
10 Jul
3-4 wk
15 May
31 Jul
0 wk
19 May
21 Jul
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
3 – 17 Apr
23 Jun
4-6 wk
15 May
21 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
17 Apr – 1 May
2 Jun
2-4 wk
15 May
16 Jun
0 wk
15 May
6 Jun
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
19 May
14 Jun
1 wk after
19 May
4 Jun
1 wk after
Spinach
Spinacia oleracea
17 – 24 Apr
25 Jul
3-4 wk
15 May
15 Aug
0 wk
11 May
5 Aug
1 wk before
Sweet potato
Ipomoea batatas
16 – 30 Jun
4-6 wk
28 Jul
11 wk after
Garden tomato
Solanum lycopersicum
Fleece
4 – 18 Apr
12 May
6-8 wk
30 May
23 Jun
2 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
14 – 28 May
19 Jun
2-4 wk
11 Jun
3 Jul
4 wk after
3 Jul
7 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
3 – 17 Apr
23 Jun
4-6 wk
15 May
21 Jul
0 wk
Garden pea
Pisum sativum
17 – 24 Apr
25 Jun
3-4 wk
15 May
16 Jul
0 wk
19 May
6 Jul
1 wk after

Herbs

Plant Sow indoors Transplant Direct sow
Earliest Latest Growing time Earliest Latest Rel. frost Earliest Latest Rel. frost
Basil
Ocimum basilicum
16 – 30 May
26 May
4-6 wk
27 Jun
6 wk after
Lemon balm
Melissa officinalis
6 – 20 Mar
21 May
8-10 wk
15 May
16 Jul
0 wk
19 Jun
6 Jul
5 wk after
Dill
Anethum graveolens
19 May
25 Jul
1 wk after
Wild chives
Allium schoenoprasum
20 Mar – 3 Apr
4 Jun
6-8 wk
15 May
16 Jul
0 wk
19 May
6 Jul
1 wk after
Spearmint
Mentha spicata
20 Feb – 20 Mar
21 May
8-12 wk
15 May
16 Jul
0 wk
19 Jun
6 Jul
5 wk after
Coriander
Coriandrum sativum
15 May
14 Aug
0 wk
5 Jun
4 Aug
3 wk after
Garden sage
Salvia officinalis
14 – 28 Mar
6 May
8-10 wk
23 May
1 Jul
1 wk after
Common thyme
Thymus vulgaris
6 – 20 Mar
11 May
8-10 wk
15 May
6 Jul
0 wk
Oregano
Origanum vulgare
20 Mar – 3 Apr
25 May
6-8 wk
15 May
6 Jul
0 wk
19 Jun
26 Jun
5 wk after
Parsley
Petroselinum crispum
20 Mar – 3 Apr
25 May
6-8 wk
15 May
6 Jul
0 wk
19 May
26 Jun
1 wk after
Rosemary
Salvia rosmarinus
14 Feb – 14 Mar
31 Mar
10-14 wk
23 May
9 Jun
1 wk after

Annual flowers

Plant Sow indoors Transplant Direct sow
Earliest Latest Growing time Earliest Latest Rel. frost Earliest Latest Rel. frost
Morning glory
Ipomoea tricolor
30 May – 6 Jun
2 Jun
3-4 wk
27 Jun
6 wk after
Cornflower
Centaurea cyanus
15 May
16 Jul
0 wk
19 May
6 Jul
1 wk after
Statice
Limonium sinuatum
2 – 16 Apr
29 Apr
8-10 wk
11 Jun
24 Jun
4 wk after
Sweet William
Dianthus barbatus
20 Mar – 3 Apr
6-8 wk
15 May
0 wk
31 May
2 wk after
Snow-on-the-mountain
Euphorbia marginata
16 – 30 Apr
13 May
6-8 wk
11 Jun
24 Jun
4 wk after
28 Jul
11 wk after
Pinnate dahlia
Dahlia × pinnata
8 – 22 Apr
18 May
6-8 wk
3 Jun
29 Jun
3 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
24 Apr – 22 May
1 Jun
4-8 wk
19 Jun
29 Jun
5 wk after
19 Jun
19 Jun
5 wk after
Foxglove
Digitalis purpurea
6 – 20 Mar
8-10 wk
15 May
0 wk
5 Jun
3 wk after
Busy lizzie
Impatiens walleriana
4 Apr – 2 May
22 Jun
8-12 wk
27 Jun
17 Aug
6 wk after
Creeping zinnia
Sanvitalia procumbens
16 – 30 Apr
23 May
6-8 wk
11 Jun
4 Jul
4 wk after
Hyacinth bean
Dolichos lablab
Greenhouse
30 Apr – 14 May
5 May
4-6 wk
11 Jun
4 wk after
Chinese lantern
Physalis alkekengi
14 – 28 Mar
20 Apr
8-10 wk
23 May
15 Jun
1 wk after
Love in a mist
Nigella damascena
15 May
1 Jul
0 wk
19 May
21 Jun
1 wk after
Strawflower
Xerochrysum bracteatum
16 – 30 Apr
3 May
6-8 wk
11 Jun
14 Jun
4 wk after
28 Jul
11 wk after
Purple-top vervain
Verbena bonariensis
28 Feb – 28 Mar
20 Apr
8-12 wk
23 May
15 Jun
1 wk after
Cardoon
Cynara cardunculus
Fleece
7 Mar – 4 Apr
22 Mar
8-12 wk
30 May
2 wk after
Regal-foxtail
Ptilotus nobilis
4 Apr – 2 May
18 Apr
8-12 wk
27 Jun
6 wk after
Globe amaranth
Gomphrena globosa
2 – 16 May
2 May
6-8 wk
27 Jun
6 wk after
Corn poppy
Papaver rhoeas
15 May
16 Jul
0 wk
19 May
6 Jul
1 wk after
Snapdragon
Antirrhinum majus
20 Feb – 20 Mar
11 May
8-12 wk
15 May
6 Jul
0 wk
31 May
26 Jun
2 wk after
Flossflower
Ageratum houstonianum
18 Apr – 2 May
9 May
8-10 wk
27 Jun
4 Jul
6 wk after
Sweet pea
Lathyrus odoratus
20 Mar – 10 Apr
1 Jun
5-8 wk
15 May
6 Jul
0 wk
Stock
Matthiola incana
20 Mar – 3 Apr
4 Jun
6-8 wk
15 May
16 Jul
0 wk
5 Jun
6 Jul
3 wk after
Wormwood
Artemisia absinthium
20 Mar – 3 Apr
5 May
6-8 wk
15 May
16 Jun
0 wk
5 Jun
6 Jun
3 wk after
Mexican sunflower
Tithonia rotundifolia
Fleece
30 Apr – 14 May
20 May
4-6 wk
11 Jun
17 Jun
4 wk after
Garden pansy
Viola × wittrockiana
6 – 20 Mar
21 May
8-10 wk
15 May
16 Jul
0 wk
31 May
6 Jul
2 wk after
Petunia
Petunia
19 Mar – 16 Apr
29 Apr
8-12 wk
11 Jun
24 Jun
4 wk after
Sweet Scabious
Scabiosa atropurpurea
28 Mar – 11 Apr
4 May
6-8 wk
23 May
15 Jun
1 wk after
3 Jul
7 wk after
Common zinnia
Zinnia elegans
30 Apr – 14 May
4 Jun
4-6 wk
11 Jun
2 Jul
4 wk after
Common morning glory
Ipomoea purpurea
23 May – 6 Jun
2 Jun
3-5 wk
27 Jun
6 wk after
Garden cosmos
Cosmos bipinnatus
30 Apr – 14 May
1 Jun
4-6 wk
11 Jun
29 Jun
4 wk after
3 Jul
7 wk after
Scarlet milkweed
Asclepias curassavica
14 Apr – 12 May
18 May
8-12 wk
7 Jul
13 Jul
8 wk after
Bee balm
Monarda didyma
20 Feb – 20 Mar
21 Apr
8-12 wk
15 May
16 Jun
0 wk
19 Jun
5 wk after
Yarrow
Achillea millefolium
20 Mar – 3 Apr
5 Apr
6-8 wk
15 May
17 May
0 wk
5 Jun
3 wk after
Safflower
Carthamus tinctorius
15 May
16 Jun
0 wk
19 May
6 Jun
1 wk after
Iceland poppy
Papaver nudicaule
Season too short
20 Mar – 3 Apr
25 May
6-8 wk
15 May
6 Jul
0 wk
27 Apr
26 Jun
3 wk before
Bishop's flower
Ammi majus
3 – 17 Apr
8 Jun
4-6 wk
15 May
6 Jul
0 wk
5 Jun
26 Jun
3 wk after
Drumsticks
Pycnosorus globosus
Fleece
19 Mar – 2 Apr
31 Mar
10-12 wk
11 Jun
4 wk after
Sunflower
Helianthus annuus
14 – 21 May
8 Jun
3-4 wk
11 Jun
29 Jun
4 wk after
19 Jun
19 Jun
5 wk after
China aster
Callistephus chinensis
16 – 30 Apr
28 May
6-8 wk
11 Jun
9 Jul
4 wk after
3 Jul
7 wk after
Annual phlox
Phlox drummondii
4 – 18 Apr
23 May
6-8 wk
30 May
4 Jul
2 wk after
3 Jul
7 wk after
Hollyhock
Alcea rosea
20 Mar – 3 Apr
6-8 wk
15 May
0 wk
5 Jun
3 wk after
Alpine delphinium
Delphinium elatum
20 Feb – 20 Mar
21 Apr
8-12 wk
15 May
16 Jun
0 wk
19 Jun
5 wk after
African marigold
Tagetes erecta
16 – 30 Apr
23 May
6-8 wk
11 Jun
4 Jul
4 wk after
Black-eyed Susan
Rudbeckia hirta
28 Mar – 11 Apr
18 May
6-8 wk
23 May
29 Jun
1 wk after
3 Jul
7 wk after
Wood sage
Salvia nemorosa
6 – 20 Mar
11 Apr
8-10 wk
15 May
6 Jun
0 wk
19 Jun
5 wk after
Black-eyed susan vine
Thunbergia alata
18 Apr – 16 May
12 May
6-10 wk
27 Jun
6 wk after
California goldenpoppy
Eschscholzia californica
15 May
16 Jul
0 wk
19 May
6 Jul
1 wk after
Painted tongue
Salpiglossis sinuata
2 – 16 Apr
29 Apr
8-10 wk
11 Jun
24 Jun
4 wk after
Water forget-me-not
Myosotis scorpioides
20 Mar – 3 Apr
5 May
6-8 wk
15 May
16 Jun
0 wk
5 Jun
6 Jun
3 wk after